A Manhattan banker who helped orchestrate the $55 billion takeover of Time Warner Cable is driving his downstairs neighbors bonkers — turning the hallway of their luxury Upper East Side condo into a floor-hockey rink for his kids, a new lawsuit charges.

Ehren Stenzler, co-founder of LionTree Advisors, and his wife, Colleen, own the two apartments on the 11th floor of 1474 Third Ave., at 83rd Street. Instead of combining the units, they’ve left the common hallway in place, adding plastic goals at each end of the wood-paneled corridor.

The sporting events, which can start as early as 6:30 a.m. on weekends, are plaguing downstairs neighbors David and Shira Maya, who filed suit Monday against the Stenzlers and the condo board.

A hockey goal in the middle of the Stenzler’s hallway.

“The sounds of jumping up and down, playing of sports . . . banging, thumping, running, heavy footsteps, and commotion” are more than four times as loud as the background noise in the downstairs unit, the suit says.

“The persistently loud noises from the Stenzlers’ apartment and at times from their hallway have a drastic, negative, and wholly unreasonable impact on the [Maya’s] home,” the Manhattan Supreme Court filing says.

“Such noises make it impossible to, for example, enjoy a peaceful meal, read a newspaper, or just relax — let alone focus or concentrate on anything at all,” the suit says.

The Maya’s “children are unable to . . . study at home, David Maya cannot even consider . . . working from home . . . And sleeping past 7 a.m. on a weekend? Forget it,” the suit says.

The Mayas say they tried to make peace but the Stenzlers said they “would simply have to get used to the noise.”

The suit claims that the “noises have decimated the value of the [Mayas’] apartment,” which they bought for $2 million in 2008.

The Mayas’ attorney, Steven Sladkus, declined to comment and the board’s managing agent did not return messages.

The Stenzlers’ attorney, Adam Leitman Bailey, blamed the feud on David Maya.

“This is a cantankerous man who is power-hungry, who’s trying to bully our client,” he said.

“He uses a pipe to bang on a wall above him to scare the little kids. We plan to countersue.”